Athearn 2209 F7A & B Boston & Maine Locos. New Old Stock. Mint Cond. Boxed. HO August 15, 2026 By 0 Athearn #2309 Boston and Maine F7A and B unit Diesel Loco and dummy section. Mint Condition. Boxed with papers abd extra details yet to be fitted. Loco has headlight. This loco was bought new and then sat on a shelf in its box.